Selection of microsatellite loci for genetic monitoring of sloth bears

December 1, 2013

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The sloth bear (Melursus ursinus) is a threatened species endemic to the Indian subcontinent. To date, no reliable method has been developed for identifying individuals or monitoring their populations. Here we describe a non-invasive genetic monitoring technique for individual identification of sloth bears. After testing 18 microsatellites developed for other carnivore species, including ursids, we optimized a panel of 7 highly polymorphic microsatellite loci that yielded a cumulative Probability of Identity between siblings value of 2.15E-03. We used this panel to identify 55 individual sloth bears from 190 fecal and 4 hair samples collected in tiger reserves in central India. This panel can be used for population genetic studies and population monitoring of sloth bears.

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